“I think we ought to be businesslike. What exactly can we count upon you for, Mr. Carter?” Mr. Carter’s lips twitched slightly, but he replied succinctly: “Funds within reason, detailed information on any point, and no official recognition . I mean that if you get yourselves into trouble with the police, I can’t officially help you out of it. You’re on your own.”

Tuppence nodded sagely.

“I quite understand that. I’ll write out a list of the things I want to know when I’ve had time to think. Now⁠—about money⁠—”

“Yes, Miss Tuppence. Do you want to say how much?”

“Not exactly. We’ve got plenty to go with for the present, but when we want more⁠—”